Introduction to Chemistry; Matter and Change |
Introduction to Chemistry It:
B. Uses the
Scientific Method 1.
Ask ________________________________
2. _____________________________ previous
information
3. Make_______________________ to collect
______________
a. Observations made using: _____________ or ______________
b. Data can be collected in two forms:
____________________________: __________________
____________________________: __________________
5. Test the hypothesis by doing experiments
6. A __________________________ ___________ summarizes
patterns that are observed
in the data
7. If a hypothesis successfully passes many tests, it
becomes known as a ______________________
8. If a theory is repeatedly confirmed by many
different experiments, it may
become a
__________________________
_______________________ theory. C. Two types
of scientists: 1.
___________________________________ 2.
____________________________________ D. Branches of
Science 1. Natural
Science : studies the
____________________________
___________________ world 2. Social
Science 3. Formal
Science Name
What It Studies
Examples Formal
sciences numbers
and symbol systems mathematics;
statistics; logic II. What is
Chemistry? 1. the
_________________________ of matter and its ___________________ 2. the
_________________________ that matter undergoes 3. the
_________________________ associated with those changes B. Branches of
Chemistry
______________________
and ______________________ Matter
and Change Solid
1. Coarse Mixtures -
______________________________________________________________ -
______________________________________________________________ -
______________________________________________________________ -
______________________________________________________________
- filtrate - the
liquid that passes through the filter paper -
_____________________________________________________________ -
_____________________________________________________________ -
______________________________________________________________ - colloids can form
when each of the three state of matter - solid, liquid, and gases -
disperse in each of the others except no gas forms a colloidal
dispersion in any other gas b. Means of
Separation 2)
_________________________ - used to separate two miscible liquids 3)
_________________________ - used to move a solute from one solvent to
another in order to more easily
recover it -
_________________________________ -
______________________________________ (Law of Definite Proportions*) -
______________________________________ -
___________________________ -
__________________________________________________ - _____ different
elements - _____ naturally occurring, _____ manmade -
_______________________________________________________ Elements
and an Introduction to the Periodic Table
S = _________________________
Na = _________________________
Co = _________________________ _______ _______
________ _______
________ _______
________ _________________
can be pounded into thin sheets _________________
can be drawn into thin wires (nails) _________________ _________________ _________________________________________ _________________________________________ B._____________ :
found near ______________ on the periodic table Properties: Only ______________
and________________ when
Examples: ______________,_________________,________________
___________________ _________________________
Examples:
________________________ Properties: in
between metals and nonmetals Properties: _______________________ III.
Classification of Matter: Properties A. Physical
Properties 1.
______________________________________ 2.
______________________________________ 3.
______________________________________ 4.
______________________________________ 5.
______________________________________ 6.
______________________________________ 7.
______________________________________ 8.
______________________________________ 9.
______________________________________ 10.
______________________________________ B. Chemical
Properties Ability to :
1. ________________________
2. ________________________
3. ________________________
4. ________________________
5. ________________________ IV. Changes in
Matter A. Physical
Changes 1. 2. 3. 4. 5. 6. 7. 8. B. Chemical
Changes 1. 2. 3. 4. 5.
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